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Finding the Third Proportional to 117,115,400 and 254,391,808

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Solution

The third proportional to 117,115,400 and 254,391,808 is: 552,576,279.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,115,400 : 254,391,808 = 254,391,808 : x
  2. Step 2: Convert to fraction form
    117,115,400/254,391,808 = 254,391,808/x
  3. Step 3: Cross multiply
    117,115,400x = 254,391,808 × 254,391,808
  4. Step 4: Simplify right side
    117,115,400x = 64,715,191,977,508,864
  5. Step 5: Solve for x
    x = 64,715,191,977,508,864/117,115,400
  6. Step 6: Final answer
    x = 552,576,279.27

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.